Prosecution Insights
Last updated: October 25, 2026

Choate, Hall & Stewart LLP

Technology area: Biotechnology & Pharmaceuticals

87 pending office actions • 53 clients • 83 examiners • 57 art units • 0 of 87 (0%) have an AI response strategy ready

Analysis

CHOATE, HALL & STEWART LLP handles Biotechnology & Pharmaceuticals matters across 6127 career applications and has 86 pending office actions. The profile combines a broad application base with a material active docket, making continued portfolio-level monitoring relevant.

The resolved allowance rate is 76.41%, and the average office actions per allowance is 3.57. The allowance rate supplies a historical resolution measure, while the action average indicates repeated examination activity in matters that ultimately reached allowance. Practitioners can use both figures when evaluating response planning, prosecution budgets, and the value of preserving fallback claim positions.

Written from this page's own data; every figure is computed from USPTO records and verified before publication.

Quality Metrics (n=6127 apps, methodology: how we score firms)

76.4%
Allowance Rate
n=6127
+0.67σ
Allowance Rate (norm)
n=6127
3.6
OAs to Allowance
n=2487
-0.07σ
OAs to Allow (norm)
n=2487
1050 days
Time to Allowance
n=2487
+15.3pp
Interview Lift
n=6127
28.5%
RCE Rate
n=6127
1.7%
Appeal Rate
n=6127

Rejection Performance (% of received rejections ultimately overcome)

72.4%
§101 Overcome
n=366
76.2%
§102 Overcome
n=1162
79.2%
§103 Overcome
n=1767
80.4%
§112 Overcome
n=1504

Specialization & Scale

A61K, A61P, C12N
Top CPC Subclasses
25%
Top-3 CPC Share
n=6127
22
Practitioners
n=6127
278.5
Apps / Practitioner
n=6127

Portfolio Summary

87
Total Pending OAs
51
Non-Final OAs
34
Final Rejections
2
Advisory / Quayle

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 33 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.

17
Overdue
0
Due this week
10
Due this month
3
Due in next 60 days
3
Due later

Deadline Fire Line

Every pending office action with a known statutory deadline, placed on a days-until-due axis. Dots left of Today are overdue; the further right, the more runway. Cases that share a deadline window stack vertically. 33 of the docket's apps have a known mailing date.

-30dToday30d60d90d120d
Overdue (17)Due ≤ 30 days (10)Due ≤ 60 days (3)Due later (3)

Case Difficulty Mix

Difficulty is derived from the rejection statutes on the most recent pending office action. §101-driven and multi-statute cases are graded Hard; §112-only and obviousness-type double-patenting cases are graded Easy; everything else is Medium. "Unknown" means we have not yet parsed a statute for that office action.

44
Hard (51%)
37
Medium (43%)
4
Easy (5%)
2
Unknown (2%)

Rejection Statute Mix

BucketCases
§101 only1 (1%)
§101 + other4 (5%)
§103 only14 (16%)
§102 only5 (6%)
§112 only4 (5%)
Double-patenting + other18 (21%)
Multi-statute (no §101)39 (45%)
No statute on record2 (2%)

Industry Mix

How the docket's pending cases split across USPTO tech-center bands.

71
Life Sciences
82% of docket
1
Information Tech
1% of docket
2
Communications
2% of docket
5
Semiconductors
6% of docket
7
Mechanical / Eng
8% of docket
1
Business / Other
1% of docket

Time-on-OA Estimate

Manual office-action response work runs about 10 hours per case. The time-saved bands below show what IP Author's prosecution pipeline typically delivers — a conservative 20% on the low end, 35% in the middle, 50% on the high end.

870 h
Manual time on pending OAs
174 h
Time saved (low, 20%)
304 h
Time saved (mid, 35%)
7.6 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
GONZALES, JOSEPHINE MARIA 2 28.8% +34.6%
AULAKH, CHARANJIT 2 80.7% -14.5%
FRUMKIN, JESSE P 2 69.9% +47.7%
PHAM, KHAI QUYNH TIEN 2 0.0% +0.0%
JARRELL, NOBLE E 1 80.9% +10.0%
FERGUSON SAMRETH, MARISSA LIANA 1 69.9% +11.0%
BREEN, KIMBERLY CATHERINE 1 23.8% +56.3%
YANG, JIANXUN 1 74.3% +19.1%
KONVES, ADRIANNA N 1 76.3% +14.7%
TRAN, SUSAN T 1 63.0% +34.8%

Quick Wins (2)

Cases in front of an examiner with an allow rate of 80%+ where the difficulty is Easy or Medium. The top 2 ordered by deadline are shown.

App #TitleExaminerDue in
18710074 POLYCYCLIC COMPOUNDS AND METHODS THEREOF AULAKH, CHARANJIT —
18291432 COMPOSITIONS AND METHODS FOR INHIBITION OF RAS AULAKH, CHARANJIT —

Hard Cases (44)

Multi-statute / §101-driven matters, or cases in front of an examiner with an allow rate under 30%. The top 8 ordered by deadline are shown.

App #TitleExaminerDue in
17800932 SYSTEMS AND METHODS FOR LIVE FISH TISSUE PRESERVATION TICHY, JENNIFER M.H. 81d overdue
18669235 FORMULATIONS, METHODS, KITS, AND DOSAGE FORMS FOR TREATING ATOPIC DERMATITIS AND FOR IMPROVED STABILITY OF AN ACTIVE PHARMACEUTICAL INGREDIENT ROSENTHAL, ANDREW S 70d overdue
17786753 ENGINEERED CELLS FOR THERAPY GONZALES, JOSEPHINE MARIA 66d overdue
17572403 CRISPR/CAS-RELATED METHODS, COMPOSITIONS AND COMPONENTS SINGH, ANOOP KUMAR 53d overdue
18034139 TRANSDERMAL DELIVERY BOSWORTH, KAMI A 49d overdue
18537754 SELECTION BY ESSENTIAL-GENE KNOCK-IN ROGERS, ERIC JASON 30d overdue
18021634 IMMUNE MODULATION OF MYELOID DERIVED SUPPRESSIVE CELL FUNCTION FOR CANCER TREATMENT POPA, ILEANA 26d overdue
18627691 SYSTEMS AND METHODS FOR FACILITATING LESION INSPECTION AND ANALYSIS BEKELE, MEKONEN T 17d overdue

Interview Candidates (10)

Cases in front of an examiner whose interview lift is 10 percentage points or more — i.e. interviewed cases historically resolve more favorably than non-interviewed ones. The top 8 ordered by deadline are shown.

App #TitleExaminerDue in
17786753 ENGINEERED CELLS FOR THERAPY GONZALES, JOSEPHINE MARIA 66d overdue
18219325 SYSTEMS AND METHODS FOR ARTIFICIAL INTELLIGENCE-BASED PREDICTION OF AMINO ACID SEQUENCES AT A BINDING INTERFACE FRUMKIN, JESSE P 26d overdue
19272607 PROMOTER PROXIMAL SEQUENCES AND USES THEREOF FOR RNA MANUFACTURING GONZALES, JOSEPHINE MARIA 4d overdue
19112201 METHODS AND USES OF MICROBIOME COMPOSITIONS, COMPONENTS, OR METABOLITES FOR TREATING INSULIN-ASSOCIATED DISEASES BREEN, KIMBERLY CATHERINE 75d
19308852 COMBINATION OF IAP INHIBITORS AND CELLULAR KINASE INHIBITORS, SUCH AS PONATINIB, FOR USE IN THE TREATMENT OF CANCER OR PULMONARY DISEASES, SUCH AS COPD, CYSTIC FIBROSIS, PULMONARY FIBROSIS AND COVID-19 JARRELL, NOBLE E —
19283387 TRANSFER PRINTING STAMPS AND METHODS OF STAMP DELAMINATION FERGUSON SAMRETH, MARISSA LIANA —
19039502 SYSTEMS AND METHODS FOR MEASUREMENT AND CONTROL OF SPRAYED LIQUID COVERAGE ON PLANT SURFACES YANG, JIANXUN —
18989413 STAMPS FOR MICRO-TRANSFER-PRINTING WITH CURVED STAMP POST ENDS KONVES, ADRIANNA N —

Client Portfolio (53 clients)

View all 53 →

Top Art Units

Art UnitApps
16845
16383
16363
16853
16333
16992
16532
16152
16232
16132

Pending Office Actions

App #TitleClientExaminerArt UnitStatutesStatusDue inAIFiled
19308852 COMBINATION OF IAP INHIBITORS AND CELLULAR KINASE INHIBITORS, SUCH AS PONATINIB, FOR USE IN THE TREATMENT OF CANCER OR PULMONARY DISEASES, SUCH AS COPD, CYSTIC FIBROSIS, PULMONARY FIBROSIS AND COVID-19 Tract Pharmaceuticals, Inc. JARRELL, NOBLE E 1699 §103§112 Final Rejection — Pending Aug 25, 2025
19283387 TRANSFER PRINTING STAMPS AND METHODS OF STAMP DELAMINATION X-Celeprint Limited FERGUSON SAMRETH, MARISSA LIANA 2853 §103 Non-Final OA — Pending Jul 29, 2025
19272607 PROMOTER PROXIMAL SEQUENCES AND USES THEREOF FOR RNA MANUFACTURING Helix Nanotechnologies Inc. GONZALES, JOSEPHINE MARIA 1631 §103§112 Final Rejection 4d overdue Pending Jul 17, 2025
19112201 METHODS AND USES OF MICROBIOME COMPOSITIONS, COMPONENTS, OR METABOLITES FOR TREATING INSULIN-ASSOCIATED DISEASES Marvelbiome, Inc. BREEN, KIMBERLY CATHERINE 1653 §101§102§103§112Other Non-Final OA 75d Pending Mar 14, 2025
19039502 SYSTEMS AND METHODS FOR MEASUREMENT AND CONTROL OF SPRAYED LIQUID COVERAGE ON PLANT SURFACES Agzen Inc. YANG, JIANXUN §103 Non-Final OA — Pending Jan 28, 2025
18989413 STAMPS FOR MICRO-TRANSFER-PRINTING WITH CURVED STAMP POST ENDS X-Celeprint Limited KONVES, ADRIANNA N 1748 §102§103Other Final Rejection — Pending Dec 20, 2024
18986536 ANTI-PATHOGEN COMPOSITIONS Claw Biotech Holdings, LLC TRAN, SUSAN T 1615 §102§112Other Non-Final OA — Pending Dec 18, 2024
18873573 NUTRACEUTICAL PARTICLES Vitakey Inc. BOATENG, AFUA BAMFOAA 1617 §103§112 Non-Final OA — Pending Dec 10, 2024
18946253 ELECTRONIC STETHOSCOPE AND DIAGNOSTIC ALGORITHM Korion Health Inc. ZHU, QIN 2691 §103§112DP Non-Final OA — Pending Nov 13, 2024
18883913 GENERATION OF ACYL AMINO ACIDS Modular Genetics, Inc. JONES-FOSTER, ERICA NICOLE 1656 §102§103§112DP Non-Final OA — Pending Sep 12, 2024
18841541 FOLDABLE PHYSICAL STRUCTURES University Of Maine System Board Of Trustees HIJAZ, OMAR F 3635 §102§103 Final Rejection — Pending Aug 26, 2024
18835307 CLASSIFYING TUMORS AND PREDICTING RESPONSIVENESS Insight Molecular Diagnostics Inc. EVANS, ASHLEY ELIZABETH 3687 §101 Final Rejection — Pending Aug 01, 2024
18728643 WEARABLES, METHODS, AND SYSTEMS FOR ALERTING USERS TO HEALTH EMERGENCIES Echas LLC MINCHELLA, ADAM ZACHARY 3794 §102§103§112 Non-Final OA 22d Pending Jul 12, 2024
18771086 ENCLOSED CAVITY STRUCTURES X-Celeprint Limited ARROYO, TERESA M 2893 §102§103 Non-Final OA — Pending Jul 12, 2024
18726861 COMPOSITIONS AND METHODS FOR INHIBITION OF RAS Lawrence Livermore National Security, LLC AGGARWAL, SAHIL CHANDER 1623 §112DP Non-Final OA — Pending Jul 05, 2024
18721531 RUMINANT FEED OR SUPPLEMENT FOR RUMINANT FEED AND PROCESS FOR PREPARING THE SAME Borregaard AS GWARTNEY, ELIZABETH A 1759 §103 Non-Final OA — Pending Jun 18, 2024
18669235 FORMULATIONS, METHODS, KITS, AND DOSAGE FORMS FOR TREATING ATOPIC DERMATITIS AND FOR IMPROVED STABILITY OF AN ACTIVE PHARMACEUTICAL INGREDIENT Libertas Bio, Inc. ROSENTHAL, ANDREW S 1613 §103§112 Final Rejection 70d overdue Pending May 20, 2024
18710074 POLYCYCLIC COMPOUNDS AND METHODS THEREOF Hepaitech (Beijing) Biopharma Technology Co., Ltd. AULAKH, CHARANJIT 1629 §112 Non-Final OA — Pending May 14, 2024
18627691 SYSTEMS AND METHODS FOR FACILITATING LESION INSPECTION AND ANALYSIS Exini Diagnostics AB BEKELE, MEKONEN T 2699 §102§103 Final Rejection 17d overdue Pending Apr 05, 2024
18611068 DETECTION OF COLORECTAL CANCER Universal Diagnostics, S.A. MUMMERT, STEPHANIE KANE 1637 §102 Non-Final OA — Pending Mar 20, 2024
18593039 TRANSFER-PRINTABLE MICRO-OPTICAL STRUCTURES X-Celeprint Limited PENG, CHARLIE YU 2874 §102§103 Final Rejection — Pending Mar 01, 2024
18584370 PATTERNED ADHESIVE IN CAVITIES FOR MICRO-TRANSFER PRINTING X-Celeprint Limited VALENZUELA, PATRICIA D 2812 §103 Final Rejection — Pending Feb 22, 2024
18682205 ANTI-GDF15 ANTIBODIES, COMPOSITIONS AND USES THEREOF Adimab, LLC VAN DRUFF, SYDNEY 1643 §102§112DP Non-Final OA — Pending Feb 08, 2024
18294825 CELLULOSE NANOFIBER (CNF) STABILIZED MEMBRANES AND METHODS OF MAKING THEREOF University Of Maine System Board Of Trustees ORME, PATRICK JAMES 1779 §102§103§112 Non-Final OA — Pending Feb 02, 2024
18293884 METHODS FOR REPAIRING CARTILAGE DEFECTS Vericel Corporation HU, ANN M 3774 §103 Non-Final OA — Pending Jan 31, 2024
18292859 IMPROVED CRISPR-CAS TECHNOLOGIES Sherlock Biosciences, Inc. HANEY, AMANDA MARIE 1682 §102§103DP Non-Final OA — Pending Jan 26, 2024
18291432 COMPOSITIONS AND METHODS FOR INHIBITION OF RAS TheRas, Inc. AULAKH, CHARANJIT 1621 §112 Final Rejection — Pending Jan 23, 2024
18576880 METHODS OF TREATING ESTROGEN RECEPTOR-ASSOCIATED DISEASES Olema Pharmaceuticals, Inc. HIRAKIS, SOPHIA P 1623 §103 Non-Final OA — Pending Jan 05, 2024
18576073 METHODS Genetix Biotherapeutics Inc. TSUI, YUNG-SHENG M 1684 §102§103 Non-Final OA — Pending Jan 02, 2024
18390483 MICRO-TRANSFER PRINTING METHODS X-Celeprint Limited KARIMY, TIMOR 2818 §102§103 Final Rejection — Pending Dec 20, 2023
18537754 SELECTION BY ESSENTIAL-GENE KNOCK-IN Editas Medicine, Inc. ROGERS, ERIC JASON 1638 §103§112 Final Rejection 30d overdue Pending Dec 12, 2023
18537611 METHODS AND COMPOSITIONS FOR TREATING AND MANAGING ALZHEIMER'S DISEASE Pharmatrophix, Inc. PARK, HAEJIN S 1614 §102§103§112DP Non-Final OA — Pending Dec 12, 2023
18563101 METHOD OF TREATING ESSENTIAL TREMOR Cavion, Inc. FETTEROLF, BRANDON J 1626 §103DP Final Rejection 14d Pending Nov 21, 2023
18560651 ADENOVIRAL HELPER PLASMID Forge Biologics, Inc. PARAS JR, PETER 1632 §102§103§112 Non-Final OA — Pending Nov 13, 2023
18285810 MODIFICATION OF EPOR-ENCODING NUCLEIC ACIDS Ensoma, Inc. WHITEMAN, BRIAN A 1636 §103§112 Non-Final OA — Pending Oct 05, 2023
18284959 COMPOSITIONS AND METHODS FOR INDOOR AIR REMEDIATION Neoplants SAS MCWILLIAMS, KELSEY LYNN 1663 §103§112DP Non-Final OA — Pending Sep 29, 2023
18551741 IMMUNE STIMULATING NANOPARTICLE COMPOSITION Monta Biosciences Aps ARNOLD, ERNST V 1626 §103DP Non-Final OA — Pending Sep 21, 2023
18468681 NOVEL RECOMBINASES AND METHODS OF USE Editas Medicine, Inc. YU, DELPHINUS DOU YI 1636 §102§112 Non-Final OA — Pending Sep 15, 2023
18244685 METHODS AND USES OF MICROBIOME COMPOSITIONS, COMPONENTS, OR METABOLITES FOR TREATING EYE DISORDERS Marvelbiome, Inc. EDWARDS, JESSICA FAYE 1657 §112DP Final Rejection 5d overdue Pending Sep 11, 2023
18277403 ANTI-PATHOGENIC LIQUID COMPOSITIONS Claw Biotech Holdings, LLC KIM, DANIELLE A 1613 §103DP Final Rejection 10d overdue Pending Aug 16, 2023
18276110 NUCLEIC ACID AMPLIFICATION USING PROMOTER PRIMERS Sherlock Biosciences, Inc. BAUSCH, SARAE L 1699 §102§112 Non-Final OA — Pending Aug 07, 2023
18274754 CANCER THERAPY Surge Therapeutics, Inc. YANG, TIAN 1674 §103§112 Non-Final OA — Pending Jul 28, 2023
18224842 METHODS OF ALTERING PROTEIN DEPOSITION ON URINARY CATHETERS AND DEVICES UNIVERSITY OF NOTRE DAME DU LAC WIECZOREK, MICHAEL P 1712 §102§103 Final Rejection 26d Pending Jul 21, 2023
18219325 SYSTEMS AND METHODS FOR ARTIFICIAL INTELLIGENCE-BASED PREDICTION OF AMINO ACID SEQUENCES AT A BINDING INTERFACE Pythia Labs, Inc. FRUMKIN, JESSE P 1685 §102 Final Rejection 26d overdue Pending Jul 07, 2023
18345163 HIGH CONCENTRATION PROTEIN FORMULATIONS WITH REDUCED VISCOSITY Bhami'S Research Laboratory, Pvt. Ltd. KIM, YUNSOO 1641 §103§112 Non-Final OA — Pending Jun 30, 2023
18216172 SYSTEMS AND METHODS FOR ARTIFICIAL INTELLIGENCE-BASED PREDICTION OF AMINO ACID SEQUENCES Pythia Labs, Inc. FRUMKIN, JESSE P 1685 §102§112DP Non-Final OA — Pending Jun 29, 2023
18268578 TAXONOMY-INDEPENDENT CANCER DIAGNOSTICS AND CLASSIFICATION USING MICROBIAL NUCLEIC ACIDS AND SOMATIC MUTATIONS Universal Diagnostics, S.A. AUGER, NOAH ANDREW 1687 §101§103§112 Final Rejection 34d Pending Jun 20, 2023
18252709 CANCER DIAGNOSIS AND CLASSIFICATION BY NON-HUMAN METAGENOMIC PATHWAY ANALYSIS Universal Diagnostics, S.A. WISE, OLIVIA M. 1685 §101§103§112 Non-Final OA — Pending May 11, 2023
18035683 METHODS Genetix Biotherapeutics Inc. WESTON, ALYSSA G 1633 §102 Non-Final OA 62d Pending May 05, 2023
18142068 TETRAHYDRO-1H-PYRIDO[3,4-b]INDOLE ANTI-ESTROGENIC DRUGS Olema Pharmaceuticals, Inc. RODRIGUEZ, RAYNA B 1628 Other Non-Final OA 62d Pending May 02, 2023

View all 87 →

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Frequently Asked Questions

What is Choate, Hall & Stewart LLP's patent allowance rate?

76.4% of resolved applications prosecuted by Choate, Hall & Stewart LLP were allowed, across 6,127 applications in USPTO records.

How many office actions does Choate, Hall & Stewart LLP average before allowance?

3.57 office actions per allowed application on average.

How many pending office actions does Choate, Hall & Stewart LLP have?

87 pending office actions as of October 2026, for 53 clients, before 83 examiners in 57 art units.

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